baber/WOPTO huggingface dataset:
Patent JP-2002009247-A (JP)
Title: Arrangement structure of current source cell, selection method of current source cell, and current additional type da converter
Inventor: KATADA TOMOYUKI
IPC: H03M1/06
Filed: 2000-06-23
Abstract: PROBLEM TO BE SOLVED: To improve linearity of the current source and improve its characteristics by decreasing the current value error of current source due to process variance, by devising arrangement layout of current source cells. SOLUTION: In a current source cell arrangement structure wherein a plurality of current source cells 1 respectively having prescribed currents constitute constant current sources MCELL 1 to MCELL 15 with required current quantities by combining plurality of current source cells of a current source cell matrix, the current source cells matrix is divided into block A 2 and block B 3 which are symmetrically arranged with respect to the center of the matrix arrangement, the constant current sources are formed by the combination of equal number of current source cells which are respectively selected row or column direction from each block.
Patent JP-2002006622-A (JP)
Title: Developing device and image forming device
Inventor: ENDO SHUICHI
IPC: G03G15/08
Filed: 2000-06-23
Abstract: PROBLEM TO BE SOLVED: To provide a developing device and an image forming device in which a developer is prevented from scattering from a nip between a developer carrier and a developer regulating member. SOLUTION: Starting torque (T) needed for starting the rotation of a developing sleeve (sleeve) 110 from a stationary state is larger than the maximum torque (μmax.P.r) that is transmitted to the sleeve 110 side when a developer regulating roller (roller) 130 is rotated; therefore, the sleeve 110 is prevented from rotating with the roller 130. As a result, when the roller 130 rotates, its surface slides rotatably with the surface of the sleeve 110, thereby crushing and pulverizing a compressed aggregated lump of the developer which exists in a wedge part on the upstream side in the surface moving direction of the sleeve 110 in the nip between the sleeve 110 and the roller 130.
Patent JP-2002016252-A (JP)
Title: Insulation gate type semiconductor element
Inventor: SUGIYAMA KOICHI
IPC: H01L29/739
Filed: 2000-06-27
Abstract: PROBLEM TO BE SOLVED: To reduce the parasitic capacitance of an insulating gate type semiconductor element and prevent its latch-up caused by its avalanche current generated, when it is turned off. SOLUTION: The insulation gate type semiconductor element has dummy gates 42 provided on both the sides of each trench gate 41, with each N-type source layer 7 being formed on the surface of a P-type base layer 3 present between the trench gate 41 and the adjacent dummy gate 42 thereto to contact it with the surface of the sidewall of the trench gate 41, and contact positions of an emitter electrode 10, which are provided on both the sides of the trench gate 41. By subjecting the emitter electrode 10 to ohmically brought into contact with the P-type base layer 3 and the N-type source layers 7, the gate capacitance of the semiconductor element is reduced without lowering its channel density, and the extent of concentration of its avalanche current is relaxed.
Patent JP-2002008464-A (JP)
Title: Wire harness production device, production method and self-assembly carrier
Inventor: IKEDA KUNIHARU
IPC: H01B13/012
Filed: 2000-06-27
Abstract: PROBLEM TO BE SOLVED: To provide a wire harness production device, a production method and a self-assembly carrier that enable workers to move easily around a production line or a wiring board, that enable to conduct easily alterations of equipment positions or modifications of a production line, that enable to have degrees of freedom of layout in a factory, and that enable to improve production efficiency. SOLUTION: This invention, wire harness production device 10, constitutes of a running information memory line 12 that is equipped on a floor board 11 and that is memorized a running information and a self-assembly carrier 13 that reads running information memorized in the running information memory line 12 and assembled wire harness self-running in the process sequence to produce wire harness according to said running information. The running information memory line 12 equips random position on the floor board 11 to make alterations of equipment positions of a production line and alteration of the production line.
Patent JP-2002000270-A (JP)
Title: Mitochondria creating kinase antibody
Inventor: SHIRAHASE YASUSHI
IPC: C12P21/08
Filed: 2000-06-27
Abstract: PROBLEM TO BE SOLVED: To provide a method for assaying creatine kinase MB isozyme(CK-MB) by the immmunological inhibition method using an anti-human CK-M-inhibiting antibody, wherein the method permits selectively excluding mCK that is simultaneously assayed, and accurately assaying CK-MB. SOLUTION: The subject antibody is a monoclonal antibody that specifically recognizes mCK protein (e.g. human mCK), specifically inhibits its enzymatic activity, to be concrete, is capable of specifically recognizing human mCK, is derived from mouse, it IgG class, was named mCKI-578, and is produced by a hybridoma having a deposition number of FERM BP-7133. A method for assaying CK-MB is also provided using the antibody and anti-human CK-M- inhibiting antibody.
Patent JP-2002013485-A (JP)
Title: Gear pump
Inventor: MORI SHUNSUKE
IPC: F04C15/00
Filed: 2000-06-30
Abstract: PROBLEM TO BE SOLVED: To reduce the size and weight of a device by rotatably supporting a shaft of a driving gear with a single bearing and decreasing the thickness of a side plate. SOLUTION: A shaft insertion hole 23A is provided on a cover element 23 composing a part of a pump housing 21. The shaft insertion hole 23A is formed to have a hole diameter corresponding to the outer diameter of a sleeve bearing 30 in the side plate 25 side. An end portion of the sleeve bearing 30 projecting out from the side plate 25 is fitted in the shaft insertion hole 23A of the cover element 23, and a driving shaft 28A of a driving gear 28 is rotatably supported with reference to the shaft insertion hole 23A of the cover element 23. The driving shaft 28A of the driving gear 28 is rotatably supported by using the single sleeve bearing 30 between the shaft insertion hole 23A of the cover element 23 and the side plate 25, and coaxiality between the driving shaft 28A and the sleeve bearing 30 is improved.
Patent JP-2002031044-A (JP)
Title: Piston rotation preventive structure of variable displacement type swash plate compressor
Inventor: AN KYUNAN
IPC: F04B39/00
Filed: 2000-06-30
Abstract: PROBLEM TO BE SOLVED: To provide a piston rotation preventive structure of a swash plate compressor capable of decreasing the total outside diameter of compressor by reducing the size and weight of the piston. SOLUTION: The piston rotation preventive structure of swash plate compressor is to restrict the rotation of the piston in a bridge part 2 having a piston head part 3, an inner flange 41 formed on the back of the piston head part, a web 42 extending in its axial direction from the top of the inner flange, and an outer flange 43 bent downward at the end of the web part in such a way as confronting the inner flange, wherein the arrangement further includes a pair of stopper grooves 47 formed from the two sides of the web part oversurface till the specified position on the piston head part side and a guide groove 17 formed in the longitudinal direction in the inside surface of the front housing 11 in such a way as having a width mating with the distance between the stopper grooves.
Patent JP-2002026401-A (JP)
Title: N-type thermoelectric conversion material and thermoelectric conversion device using it
Inventor: SHUDO NAOKI
IPC: H01L35/32
Filed: 2000-06-30
Abstract: PROBLEM TO BE SOLVED: To provide an n-type thermoelectric conversion material excellent in thermoelectric conversion characteristics. SOLUTION: An n-type thermoelectric conversion material comprises a cobalt antimonide compound of filled skutterudite structure where a void small lattice with no antimony ring present is partially filled with a filling element, among crystal small lattices of the cobalt antimonide compound of skutterudite type crystal structure, with a cobalt of a component element replaced with palladium by 1-10 atom %.
Patent JP-2002016881-A (JP)
Title: Digital signal processor
Inventor: FUJII YUKIO
IPC: H04J3/00
Filed: 2000-06-28
Abstract: PROBLEM TO BE SOLVED: To provide a digital signal processor for commonly using circuits and elements by a selectively recording process to data storage media and a selectively reproducing process to a display. SOLUTION: The digital signal processor selectively inputs data streams from terminals (a) and (b)or data streams reproduced by data storage media to demultiplexers 4 and 5 by a selector 3, and selectively outputs from the demultiplexers 4 and 5 or a bypass from the selector 3 by a selector 6 when recording in the media.
Patent JP-2002018004-A (JP)
Title: Winning device of pachinko machine
Inventor: UMAHARA MAKOTO
IPC: A63F7/02
Filed: 2000-07-03
Abstract: PROBLEM TO BE SOLVED: To provide a winning device of a Pachinko machine for surely control ling winning probability to a continuous winning hole and quickly detecting a winning ball. SOLUTION: In this winning device A of the Pachinko machine for opening a winning area by transferring to a special game state by the realization of a prescribed condition, the winning device has an inclined ball passage 8 slantingly formed downward to the right side in the winning area, the continuous winning hole 22 and a general winning hole 21 for receiving a game ball flowing down in the inclined ball passage 8, a guide member 35 for introducing the game ball to the general winning hole 21 and a solenoid 38 for driving the guide member 35, and the guide member 35 is arranged under the inclined ball passage 8, and a slit 32 is formed in the inclined ball passage 8.  When the winning area is opened and the continuous winning hole 22 receives the optionally decided number of game balls, the guide member 35 blocks up a part of the inclined ball passage 8 by projecting from the slit 32 of the inclined ball passage 8, and introduces the game ball to the general winning hole 21.
Patent JP-2002026555-A (JP)
Title: Heat radiating mechanism in electronic device
Inventor: YAZAWA KAZUAKI
IPC: H05K7/20
Filed: 2000-07-04
Abstract: PROBLEM TO BE SOLVED: To produce a larger heat radiating effect for the same power consumption and to respond also to local heat generation. SOLUTION: An electronic device such as CPU 16 or the like is mounted on one surface of a board 2 mounted in a case K. A chimney passage 20 extending vertically is formed between the board 2 and a side cover member 6 and the other surface side 2b of the board 2, which is nearly flat, forms the side wall of the chimney passage 20. Heat generated by the board 2 is radiated by the natural convection of air from the bottom to the top in the chimney passage 20. The inner space V in the case K partitioned from the chimney passage 20 by the board 2 is forcilbly air-cooled by an electric fan 31. A plurality of chimney passages may be formed and a liquid crystal display device 61 and the board 2 may constitute the wall of the chimney passage.
Patent JP-2002022610-A (JP)
Title: Equipment and method for measuring optical characteristics and recording medium
Inventor: NAKAMURA KENICHI
IPC: G01M11/02
Filed: 2000-07-04
Abstract: PROBLEM TO BE SOLVED: To provide an equipment which can measure the wavelength dispersion characteristics without requiring an extra pair of fibers in addition to a DUT. SOLUTION: The equipment for measuring optical characteristics comprises a master unit 10 for projecting a measuring light to a DUT 30, a slave unit 20 for receiving the light transmitted the DUT 30 and measuring the characteristics thereof, a section 11 for setting conditions for measuring the characteristics of the DUT 30, and a measurement control section 29 for measuring the characteristics of the DUT 30 based on the measurement conditions and transmitting the measurement results.  The equipment for measuring optical characteristics further comprises a wired cable for connecting the measurement conditions setting section 11 communicatively with the measurement control section 29, and a measurement control communication means 40, i.e., a radio communication means or a satellite communication means, so that the wavelength dispersion characteristics of the DUT 30 can be measured without requiring an extra pair of fibers in addition to the DUT 30.
Patent JP-2001074980-A (JP)
Title: Optical fiber array parts, their manufacturing method and connecting method between optical fiber using the parts and optical wave guide and optical module using the parts
Inventor: SAITO TSUNEAKI
IPC: G02B6/40
Filed: 2000-07-07
Abstract: PROBLEM TO BE SOLVED: To provide optical fiber array parts capable of connecting, at a low connecting loss, optical waveguides and optical fibers, which are arrayed in an optical waveguide circuit. SOLUTION: As shown in (a), on a guide base plate 1 an which 32 pieces of V-grooves 9 are formed, a holding placed which holds optical fibers 3 inserted into the V-groves 9, the guide base plate 1 and the holding plate 4 are bonded with an adhesive 5, on the optical fiber array parts 7, a camber of amount of camber B is formed in the array direction of the optical fibers 3, by means of a contracting stress at the time of hardening of the adhesive 5, as shown in (b), and the array shape is curved by the camber at least on the connecting end face side of the optical fibers 3. The optical fiber array parts 7 are formed correspondingly to the camber of the optical waveguide circuit on the opposite connecting side, roughly making the connecting end face of the optical waveguide in the optical wave guide circuit coincide with the corresponding connecting end face of the optical fibers 3.
Patent JP-2002019628-A (JP)
Title: Power cylinder installation structure for power steering
Inventor: IIDA MASAYA
IPC: B62D5/12
Filed: 2000-07-10
Abstract: PROBLEM TO BE SOLVED: To provide a power cylinder installation structure for a power steering allowing easy installing of a power cylinder on a front axle case side. SOLUTION: A holding part 18 capable of inserting and fixing a rod cover 23 of the hydraulic power cylinder 11 on the front axle case 1 side from the outside is provided to detachably fix the rod cover 23 on the holding part 18.
Patent JP-2001199344-A (JP)
Title: Shopping cart
Inventor: INABA YOSHISADA
IPC: B62B3/14
Filed: 2000-07-11
Abstract: PROBLEM TO BE SOLVED: To provide a shopping cart allowing a wide space occupiable for a person and capable of restraining a parking space to a necessary minimum. SOLUTION: This shopping cart 1 (101) is provided with seats 12, 112 arranged in a front part of a shopping car body 2 allowing a user to sit, a seat part 3 having a front guard 13 for protecting a leg part of the user seated on the seats 12, 112 and a shopping basket placing part 4 arranged in a rear part of the shopping cart body 2, and is constituted in such a way that the seats 12, 112 are rotatably or movable supported by the shopping cart body 2, and a space allowing insertion of the front guard of the other shopping cart is formed in a rear part of the seats 12, 112 by rotation or movement.
Patent JP-2002020430-A (JP)
Title: PROPYLENE/alpha-OLEFIN RANDOM COPOLYMER
Inventor: TSUYUKI MINORU
IPC: C08F4/6592
Filed: 2000-07-13
Abstract: PROBLEM TO BE SOLVED: To obtain a propylene/α-olefin random copolymer excellent in low- temperature heat sealability, blocking properties, stiffness, and clarity. SOLUTION: This propylene/α-olefin random copolymer has (a) a specified melt flow rate, (b) a specified melting point, (c) a specified relation between the fusion ending temperature and the melting point, (d) a specified Q value, and (e) a specified relation between the density and the melting point and is obtained by copolymerization using a specific catalyst.
Patent JP-2002030399-A (JP)
Title: Valve seat for internal combustion engine
Inventor: KANDA TOSHIHISA
IPC: B22F5/00
Filed: 2000-07-14
Abstract: PROBLEM TO BE SOLVED: To provide a valve seat which exhibits enhanced duribity and also permits improvement in the durability of a valve face. SOLUTION: The valve seat is composed of a sintered alloy prepared by sintering an iron-base alloy and fine hard particles. The fine hard particles are added to the iron-base ally in such a way that the product of the Vickers hardness and area ratio of the particles becomes 200-250. The product (250 HVA) of the Vickers hardness and area ratio of the fine hard particles at the point (intersection) at which respective characteristics of wear rate of the valve seat and the valve face coincide practically with each other is used as a reference, and the range from the reference point to the product (200 HVA) of the Vickers hardness and area ratio of the fine hard particles is determined as tolerance, and, e.g. 14 wt.% Fe-Mo alloy particles and 9 wt.% Co-Mo-Cr alloy particles are added as the fine hard particles respectively.
Patent JP-2001191157-A (JP)
Title: Continuous casting method of steel
Inventor: KOKITA MASAHIKO
IPC: B22D11/20
Filed: 2000-07-14
Abstract: PROBLEM TO BE SOLVED: To provide a continuous casting method of steel which can prevent internal cracks in the draft casting and keep the level of the center segregation at a conventional value. SOLUTION: In the continuous casting method to achieve the reduction of a bloom containing, by mass, >=0.5% C in the continuous casting process, the reduction is achieved with the reduction speed (mm/min) which is not more than the internal crack limit reduction speed R (mm/min) expressed by the formula (1) and >=0.2 mm/min in a section in which the solid rate at a center in the thickness of the bloom is at least 0.1-0.3 to 0.5-0.6. R=0.9+5.0×F-1.3 [C] (1), where F is the solid rate at the center when the reduction is started, and [C] is the C content (mass %) of the bloom.
Patent JP-2002031771-A (JP)
Title: Multiple-beam scanning optical device
Inventor: ASAMI JIYUNYA
IPC: G02B26/10
Filed: 2000-07-17
Abstract: PROBLEM TO BE SOLVED: To suppress the enlargement of the size of a rotating polygonal mirror when the number of laser beams of a multi-beam write-in optical system is increased. SOLUTION: Laser beams P11 and P12 generated by a laser beam unit 1, which is a multiple-beam semiconductor laser beam unit, and laser beams P21 and P22 generated by a similar laser beam unit 2 are alternately condensed on the reflection surface 8a of the rotating polygonal mirror 8, two laser beam units 1 and 2 are so arranged that a linear image formed by these beams is superimposed in the main scanning direction. A necessary length of the reflection surface 8a is remarkably decreased and the increase in the size of the rotating polygonal mirror 8 is more suppressed than the case where the linear image made by the laser beams P11, P12, P21, and P22 are in series on the reflection surface 8a.
Patent JP-2002032542-A (JP)
Title: Work managing system, work managing method, work managing device and recording medium
Inventor: NISHIMURA SADAYOSHI
IPC: G06Q10/06
Filed: 2000-07-17
Abstract: PROBLEM TO BE SOLVED: To provide a work managing system for managing the work instruction reception of a worker and managing a time limit by issuing a warning when work instruction reception information and work completion information are not received from a worker terminal even prescribed time elapses after work instruction information is transmitted to the worker terminal. SOLUTION: The work managing system is provided with a work instructor terminal 1, the worker terminal 2, a work managing server 3 storing work management information and a network 4 connecting them. The work managing server 3 is provided with a first warning part 17 generating first warning information having a content that a work instruction is not received when work instruction reception information is not received from the worker terminal 2 until prescribed time after work instruction information is transmitted to the worker terminal 2 and transmits it to the work instructor terminal 1 and the worker terminal 2,  and a second warning part 18 which generates second warning information having a content that work is not completed when work completion information is not received from the worker terminal 2 until prescribed time after work instruction information is transmitted to the worker terminal 2 and transmits it to the work instructor terminal 1 and the worker terminal 2.
Patent JP-2002032946-A (JP)
Title: Disk centering device
Inventor: KAWAI TOSHIYUKI
IPC: G11B17/028
Filed: 2000-07-18
Abstract: PROBLEM TO BE SOLVED: To provide a disk centering device capable of greatly improving the accuracy of centering as desired while a cost is suppressed to a minimum. SOLUTION: This disk centering device 1 for centering a disk having the diameter of a center hole including a tolerance Δ set in the range of D to D+Δ is provided with a practically cylindrical center part 50 having diameter of D-δ (0<δ<Δ), and N (N>=2) pieces of centering mechanisms CPM and CM2 differing in diameters from one another concentrically around the cylindrical central part 50. Each centering mechanism is provided with at least one group of three elastic entering pieces CP1-1, CP1-2 and CP1-3, and CP2-1, CP2-2 and CP2-3, positioned apart from one another on respective circumferences P1 and P2 in a circumferential direction. The group of centering pieces adjoining in a diameter direction are disposed in different positions when seen from a circumferential direction.  Among the N pieces of centering mechanisms, the centering mechanism CP2 other than the centering mechanism CP1 of the largest diameter is provided with an elastic centering piece along a circumference P2 smaller in diameter than D+Δ.
Patent JP-2002037435-A (JP)
Title: Movable body system
Inventor: NAKAGAWA HIROSHI
IPC: H05K13/04
Filed: 2000-07-18
Abstract: PROBLEM TO BE SOLVED: To move a plurality of movable bodies along the same trajectory with good accuracy. SOLUTION: The plurality of movable bodies 21 are enabled to move along the inner wall of a guide member 20 disposed along a circulating trajectory. The movable bodies 21 are connected to the respective corresponding direct drive motors 22 by connecting member 23, so that the movable bodies are moved along the inner wall of the guide member 20 by rotating the direct drive motors 22. In this arrangement, the plural direct drive motors 22 provided corresponding to the movable bodies 21 are disposed in layers in the vertical direction to the paper surface of the drawing.
Patent JP-2002043858-A (JP)
Title: Current/voltage converting circuit
Inventor: TSUKADA MAMORU
IPC: H03F1/26
Filed: 2000-07-19
Abstract: PROBLEM TO BE SOLVED: To provide a current/voltage converting circuit that has a simple circuit configuration and can accurately generate a voltage value corresponding to a minute current. SOLUTION: In the current/voltage converting circuit provided with the inverted input terminal of an operational amplifier 1 as the input, a three- terminal capacitor 2 is connected to a resistor 3 in a feedback loop, connected to the input and output terminals of the operational amplifier in series.